Diagnostic apparatus



FIG. 1 is a top plan view of the diagnostic apparatus;

FIG. 2 is a front perspective view of the diagnostic apparatus shown in FIG. 1;

FIG. 3 is a right-side perspective view of the diagnostic apparatus shown in FIG. 1;

FIG. 4 is another right-side perspective view of the diagnostic apparatus shown in FIG. 1;

FIG. 5 is a rear perspective view of the diagnostic apparatus shown in FIG. 1;

FIG. 6 is a left-side perspective view of the diagnostic apparatus shown in FIG. 1; and,

FIG. 7 is a bottom plan view of the diagnostic apparatus shown in FIG. 1.

The broken lines of FIGS. 1-7 illustrate portions of the diagnostic apparatus that form no part of the claimed design. 

CLAIM The ornamental design for a diagnostic apparatus, as shown and described. 